diff --git a/packages/compiler-sfc/__tests__/__snapshots__/compileScript.spec.ts.snap b/packages/compiler-sfc/__tests__/__snapshots__/compileScript.spec.ts.snap
index b7fc9304b26..43d9b964482 100644
--- a/packages/compiler-sfc/__tests__/__snapshots__/compileScript.spec.ts.snap
+++ b/packages/compiler-sfc/__tests__/__snapshots__/compileScript.spec.ts.snap
@@ -632,6 +632,27 @@ return {  }
 }"
 `;
 
+exports[`SFC compile <script setup> defineProps starts with parenthesis 1`] = `
+"export default {
+  props: {
+            foo: String
+          },
+  setup(__props, { expose }) {
+  expose();
+
+const props = __props;
+
+          
+          (() => {
+             console.log(props)
+          })();
+      
+return { props }
+}
+
+}"
+`;
+
 exports[`SFC compile <script setup> defineProps w/ external definition 1`] = `
 "import { propsModel } from './props'
     
@@ -640,7 +661,7 @@ export default {
   setup(__props, { expose }) {
   expose();
 
-const props = __props
+const props = __props;
 
     
     
@@ -658,7 +679,7 @@ export default {
   setup(__props, { expose }) {
   expose();
 
-const props = __props
+const props = __props;
 
     
 return { props, x }
@@ -675,7 +696,7 @@ exports[`SFC compile <script setup> defineProps() 1`] = `
   setup(__props, { expose }) {
   expose();
 
-const props = __props
+const props = __props;
 
 
 const bar = 1
@@ -693,7 +714,7 @@ exports[`SFC compile <script setup> defineProps/defineEmits in multi-variable de
   setup(__props, { expose, emit }) {
   expose();
 
-const props = __props
+const props = __props;
 
     
     
@@ -710,7 +731,7 @@ exports[`SFC compile <script setup> defineProps/defineEmits in multi-variable de
   setup(__props, { expose, emit }) {
   expose();
 
-const props = __props
+const props = __props;
 
     const a = 1;
     
@@ -1567,7 +1588,7 @@ export default /*#__PURE__*/_defineComponent({
   setup(__props, { expose, emit }) {
   expose();
 
-const props = __props
+const props = __props;
 
 
 
@@ -1661,7 +1682,7 @@ const props = __props as {
         foo?: string
         bar?: number
         baz: boolean
-      }
+      };
 
       
       
@@ -1684,7 +1705,7 @@ export default /*#__PURE__*/_defineComponent({
   setup(__props: any, { expose }) {
   expose();
 
-const props = __props as { foo: string, bar?: number, baz: boolean, qux(): number }
+const props = __props as { foo: string, bar?: number, baz: boolean, qux(): number };
 
       
       
diff --git a/packages/compiler-sfc/__tests__/compileScript.spec.ts b/packages/compiler-sfc/__tests__/compileScript.spec.ts
index 08d404b9c16..520a04e6931 100644
--- a/packages/compiler-sfc/__tests__/compileScript.spec.ts
+++ b/packages/compiler-sfc/__tests__/compileScript.spec.ts
@@ -96,6 +96,22 @@ const bar = 1
   props: propsModel,`)
   })
 
+  // #6428
+  test('defineProps starts with parenthesis', () => {
+    const { content } = compile(`
+      <script setup>
+          const props = defineProps({
+            foo: String
+          });
+          (() => {
+             console.log(props)
+          })();
+      </script>
+      `)
+
+    assertCode(content)
+  })
+
   // #4764
   test('defineProps w/ leading code', () => {
     const { content } = compile(`
diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
index 5a77e8a9463..580178e8c87 100644
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -1339,7 +1339,7 @@ export function compileScript(
       startOffset,
       `\nconst ${propsIdentifier} = __props${
         propsTypeDecl ? ` as ${genSetupPropsType(propsTypeDecl)}` : ``
-      }\n`
+      };\n`
     )
   }
   if (propsDestructureRestId) {